Finding the Fourth Proportional to 491,304.18, 736,517.97 and 191,715.09
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Solution
The fourth proportional to 491,304.18, 736,517.97 and 191,715.09 is: 287,401.60
Step by Step Solution
- Step 1: Write the proportion equation
491,304.18 : 736,517.97 = 191,715.09 : x - Step 2: Convert to fraction form
491,304.18/736,517.97 = 191,715.09/x - Step 3: Cross multiply
491,304.18x = 736,517.97 × 191,715.09 - Step 4: Simplify right side
491,304.18x = 141,201,608,905.17 - Step 5: Solve for x
x = 141,201,608,905.17/491,304.18 - Step 6: Final answer
x = 287,401.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.